Invention Grant
- Patent Title: Propulsion wheel motor for an electric vehicle
- Patent Title (中): 用于电动车辆的推进轮电机
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Application No.: US14061073Application Date: 2013-10-23
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Publication No.: US09381802B2Publication Date: 2016-07-05
- Inventor: Joshua M. Figuered , Eduardo Herrera , Thomas M. Waligora , William J. Bluethmann , Logan Christopher Farrell , Chunhao J. Lee , Robert L. Vitale , Ross Briant Winn , Raymond Edward Eggleston, IV , Raymond Guo , Steven J. Weber , Lucien Q. Junkin , James Jonathan Rogers
- Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC , The United States of America As Represented by the Administrator of the National Aeronautics and Space Administration
- Applicant Address: US MI Detroit US DC Washington
- Assignee: GM Global Technology Operations LLC,The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Current Assignee: GM Global Technology Operations LLC,The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
- Current Assignee Address: US MI Detroit US DC Washington
- Agency: Quinn Law Group, PLLC
- Main IPC: B60K7/00
- IPC: B60K7/00 ; B60B27/00 ; B60K17/356 ; B60K11/02 ; B60K1/00

Abstract:
A wheel assembly for an electric vehicle includes a wheel rim that is concentrically disposed about a central axis. A propulsion-braking module is disposed within an interior region of the wheel rim. The propulsion-braking module rotatably supports the wheel rim for rotation about the central axis. The propulsion-braking module includes a liquid cooled electric motor having a rotor rotatable about the central axis, and a stator disposed radially inside the rotor relative to the central axis. A motor-wheel interface hub is fixedly attached to the wheel rim, and is directly attached to the rotor for rotation with the rotor. The motor-wheel interface hub directly transmits torque from the electric motor to the wheel rim at a 1:1 ratio. The propulsion-braking module includes a drum brake system having an electric motor that rotates a cam device, which actuates the brake shoes.
Public/Granted literature
- US20150108823A1 PROPULSION WHEEL MOTOR FOR AN ELECTRIC VEHICLE Public/Granted day:2015-04-23
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